What was found
DURING TAXI APU MADE A LOUD SQUEAK, A BOOM THEN AUTO SHUTDOWN. SMOKE CAME OUT APU DOOR, NO FLAMES. EMERGENCY DECLARED. DEFERRED APU PER MEL 49-10-01-1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING TAXI APU MADE A LOUD SQUEAK, A BOOM THEN AUTO SHUTDOWN. SMOKE CAME OUT APU DOOR, NO FLAMES. EMERGENCY DECLARED. DEFERRED APU PER MEL 49-10-01-1.